EASY
Earn 100

Residual volume is

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Important Questions on Respiration and Circulation

MEDIUM
Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?
EASY
After forceful inspiration, the amount of air that can be breathed out with maximum forced expiration is equal to
EASY
Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of:
MEDIUM
Match the following related to respiratory volumes and capacities.
Column I Column II
i Tidal volume a 2500 to 3000 ml of air
ii Inspiratory reserve volume b 1000 ml of air
iii Expiratory reserve volume c 500 ml of air
iv Residual volume d 3400 to 4800 ml of air
v Vital capacity e 1200 ml of air
MEDIUM
Inspiratory reserve volume (IRV) is normally between _____.
EASY
The amount of air that is left behind in lungs after expiratory reserve volume has been exhaled is
EASY
Lungs does not collapse between breaths and some amount of air will always remain in the lungs which can never be expelled because,
MEDIUM
Match the items given in Column I with those in Column II and select the correct option given below:
 
  Column – I   Column – II
a. Tidal volume i. 2500 – 3000 mL
b. Inspiratory Reserve volume ii. 1100 – 1200 mL
c. Expiratory Reserve volume iii, 500 – 550 mL
d. Residual volume iv. 1000 – 1100 mL
MEDIUM
Write the steps of expiration steps in human being.
MEDIUM
Draw a labelled diagram of the mechanism of inspiration and expiration.
MEDIUM
Given that tidal volume is 600 ml, inspiratory reserve volume is 2500 ml, and expiratory reserve volume is 800 ml, what is the value of vital capacity of lung ?
EASY

Match the following respiratory capacities and respiratory volumes of a normal human adult?

Respiratory capacities Respiratory volumes
i) Residual volume a)  2800 mL
ii) Vital capacity b)  3000 mL
iii) Inspiratory reserve volume c)  1100 mL
iv) Inspiratory capacity d)  4000 mL

 

EASY
The Total Lung Capacity(TLC) is the total volume of air accomodated in the lungs at the end of a forced inspiration. This includes:
MEDIUM
Explain the mechanism of inspiration and expiration.
HARD
When does the increase in the volume of thoracic chamber take place in the dorsoventral axis? 
EASY

Select the correct events that occur during inspiration.

(a) Contraction of diaphragm
(b) Contraction of external intercostal muscles
(c) Pulmonary volume decreases
(d) Intrapulmonary pressure increases

HARD

Which of the following changes is not expected to help an individual run long distances faster at high altitudes?

MEDIUM
Which of the following is true with respect to respiratory volumes?